Client Start Year End Year
Wildlife Conservation Society 2014 Current
Wheels Up 2014 Current
Welch's 2018 Current
Weight Watchers 2010 Current
Webtoons 2018 Current
Vonage 2013 Current
Viacom - Paramount Network 2012 Current
Viacom - CMT and TV Land 2017 Current
US Tennis Association 2016 Current
United Rentals 2017 Current

Horizon Media, a leader in data-driven media and marketing insights, was founded in 1989, and is headquartered in New York with offices in Los Angeles and Toronto. Recognized as one of the world’s ten most innovative marketing and advertising companies by Fast Company, Horizon Media has been recognized as U.S. Media Agency of the Year by Adweek and AdAge, and Independent Media Agency of the Year by Mediapost. Renowned for its incredible culture, Horizon is also consistently named to all the prestigious annual Best Places to Work lists published by Fortune, Forbes, AdAge, Crain’s New York Business and Los Angeles Business Journal. Bill Koenigsberg served as the Chairman of the 4A’s Board of Directors from 2014 to 2017, and currently serves as Vice Chair of the 4A’s Board of Directors. Bill was the first person from a media agency to hold this prestigious position in the 100-year history of the 4As, the marketing industry’s leading trade association. Horizon Media is the second largest US media agency (COMvergence Agency Report 2018), with estimated billings of $8.6 billion and over 2,300 employees.

  • Bill Koenigsberg

    President, CEO & Founder

  • Vincent O'Toole

    COO & CFO

  • Eileen Benwitt

    EVP Chief Talent Officer

  • Stan Fields

    EVP Chief Client Officer, New York

  • Eva Kantrowitz

    EVP Chief Strategy Officer, Brand Develoment

  • David Campanelli

    Co-Chief Investment Officer

  • Sarah Baehr

    Co-Chief Investment Officer

  • Serena Duff

    EVP General Manager, Los Angeles

  • Julie Levin

    EVP, Managing Partner, Client Services and Business Development

  • Donnie Williams

    Chief Digital Officer

  • Stephen Hall

    Chief Marketing Officer

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